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公开(公告)号：US3235686A
公开(公告)日：1966-02-15
申请号：US12072561
申请日：1961-06-29
Applicant: SQUARE D CO
Inventor： GRIBBLE JOSEPH J , KENNETH MARIEN
IPC: H01H50/22
CPC classification number: H01H50/22
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